Trimaran



FIG. 1 is a front and right side perspective view of a trimaran showing my new design;

FIG. 2 is a front and top perspective view thereof;

FIG. 3 is a front and left side perspective view thereof;

FIG. 4 is a rear and top perspective view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a trimaran, as shown and described. 